Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Getting started TDD on iOS Apps Development
Search
yashigani
February 15, 2014
Programming
0
1.3k
Getting started TDD on iOS Apps Development
Cocoa勉強会関西 #54 でTDDについて発表したときのスライドです.
yashigani
February 15, 2014
Tweet
Share
More Decks by yashigani
See All by yashigani
Hatena Engineer Seminar #10
yashigani
0
2.2k
Dependency Injection in iOS Apps
yashigani
2
460
Multiple layout with UITableViewCell
yashigani
1
3.4k
Lazy stored property
yashigani
3
2.1k
Code reviewing in iOS app development
yashigani
9
4.4k
Useful 3 techniques developing in iOS Apps
yashigani
0
1.5k
Introduction to WebKitPlus
yashigani
2
2.3k
Types in Swift
yashigani
5
2.3k
Swift with apps by Hatena
yashigani
13
29k
Other Decks in Programming
See All in Programming
ゆるやかにgolangci-lintのルールを強くする / Kyoto.go #56
utgwkk
2
390
アクターシステムに頼らずEvent Sourcingする方法について
j5ik2o
4
280
rails stats で紐解く ANDPAD のイマを支える技術たち
andpad
1
290
LLM Supervised Fine-tuningの理論と実践
datanalyticslabo
7
1.3k
コンテナをたくさん詰め込んだシステムとランタイムの変化
makihiro
1
130
良いユニットテストを書こう
mototakatsu
8
2.5k
Stackless и stackful? Корутины и асинхронность в Go
lamodatech
0
790
PSR-15 はあなたのための ものではない? - phpcon2024
myamagishi
0
130
CQRS+ES の力を使って効果を感じる / Feel the effects of using the power of CQRS+ES
seike460
PRO
0
130
テスト自動化失敗から再挑戦しチームにオーナーシップを委譲した話/STAC2024 macho
ma_cho29
1
1.3k
testcontainers のススメ
sgash708
1
120
情報漏洩させないための設計
kubotak
2
250
Featured
See All Featured
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Typedesign – Prime Four
hannesfritz
40
2.4k
Bootstrapping a Software Product
garrettdimon
PRO
305
110k
Code Review Best Practice
trishagee
65
17k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5.1k
GraphQLとの向き合い方2022年版
quramy
44
13k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
6
520
No one is an island. Learnings from fostering a developers community.
thoeni
19
3k
YesSQL, Process and Tooling at Scale
rocio
169
14k
Building Flexible Design Systems
yeseniaperezcruz
327
38k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
232
17k
Transcript
TDDΛ͡Ίͭͭ ࣄͷՌΛग़͢ํ๏ @yashigani
@yashigani • iOS/Mac Application Engineer • Fenrir Inc. • http://yashigani.hatenablog.com
• https://github.com/yashigani
εςοΧʔ͋͛·͢
agenda • TDDͱͳΜͧ • ͳͥςετΛॻ͘ͷ͔ • ςετΛॻ͘ͱ͘ͳΔʁ • ܦݧஊ •
BDD
TDD
Test Driven Development
ͳΜ͔ͦ͠͏ʂ
ͦΜͳ͜ͱແ͍ʂ
RED GREEN REFACTOR
Red Green Refactor • ςετΛॻ͍ͯམͪΔ͜ͱΛ֬ೝ • ςετ͕௨Δ࠷খݶͷ࣮͢Δ • ςετ͕௨ͬͨΒɼͦΕΛҡ࣋ͨ͠·· ϦϑΝΫλϦϯά
ͦΕ͚ͩͰ TDD͡ΊΒΕΔʂ
͏Ε͍͜͠ͱ • 1αΠΫϧऴΘΔͱඞͣςετ͕Δ • ࣍ͷมߋ࣌ʹ͜ΕΛͬͯɼطଘͷ࣮Λյ ͍ͯ͠ͳ͍͔֬ೝ͢Δ͜ͱ͕Ͱ͖Δ • ਓ͕ؒ୳͢ͱΊΜͲ͍͘͜͞ͱΛػցͤʹ • มߋ͍͢͠ίʔυʹͳΔ
ܕΛकΔ • ಛʹ1ͷαΠΫϧେࣄ • ͨ·ʹؒҧͬͨςετΛॻ͍͍ͯΔ͜ͱ͋Δ • ׳Ε͖ͯͨΒɼΓ͍͢Α͏ʹमਖ਼͢Δ • ͱݴͬͯΕ͕ͪ…͋·ΓؾΛམͱ͞ͳ͍
ͳͥςετΛॻ͘ͷ͔
ςετΛॻ͘ཧ༝ • ࣮ͷϨΠϠͰ༷Λ໌֬ʹ͢ΔͨΊ • ະདྷʹՃɾมߋ͢ΔͨΊ • ಈ࡞Λอূ͢ΔͨΊ • ࣮Λૣ͘ਐΊΔͨΊ
ςετΛॻ͘ͱ͘ͳΔ (͕૿͑Δ) ͷͰͳ͍͔ʁ
Ή͠Ζ͍߹͋Δ • ྫ͑APIΫϥΠΞϯτͷΑ͏ͳͷͷ࣮Λߟ ͑Δ • APIͱͷ௨৴෦Λॻ͍ͨ͋ͱͲ͏ͬͯಈ࡞֬ೝ Λ͢Δ͔ • UIΛ࡞͔ͬͯ֬ΊΔ •
σόοά࣮ߦͯ͠ΈΔ
UIΛ࡞͔ͬͯ֬ΊΔ • ͦͦUIͷ࣮ίετ͕ߴ͍ • ࢼ͢·Ͱʹ͕͔͔࣌ؒΔ • όάͷݪҼΓ͚͕େม(UI or ϩδοΫ) •
ࢼͤΔ͜Ζʹઈରͳʹ͔Ε͍ͯΔ
σόοά࣮ߦͯ͠ΈΔ • ͱΓ͋͑ͣίʔυͰݺͼग़ͯ͠Έͯɼࡉ͔͍͜ ͱlldb͔Βೖྗ͢Δ • ਓ͕ؒຖճ৺ΛࠐΊͯίϚϯυΛೖྗ͢Δඞཁ ແ͍ • ςετͳΒҰॻ͚ԿͰ܁Γฦ͑͠Δ
ςετΛॻ͖ͭͭ εϐʔυΛ্͛Δ • ಉ͜͡ͱΛ܁Γฦ͢ͳΒςετ͕͍ͯΔ • ಛʹCIͰͷࣗಈςετ • ςετΛॻ͘ՕॴΛߜΔ • ॻ͍ͨΒ͘ͳΔՕॴͳΒॻ͔ͳ͍
• ςετͷϦλʔϯΛߟྀ͢Δ
։ൃ͕͘ͳΔ߹ ੵۃతʹςετΛॻ͘ • ModelෳࡶͳॲཧΛ࣮͢Δ߹ • ٯʹViewͷςετίετʹ߹Θͳ͍߹͕ଟ͍ • Modelʹൺ༷มߋͷӨڹ͕ڧ͍ • Ͱ͖ͳ͍͜ͱແ͍
• ςετΛಋೖ͢ΔՕॴʹίετҙࣝΛ • ςετίʔυͳͷͰϝϯς͕ඞཁ
ಈ࡞Λ֬ೝ͢Δͷʹ͏ • ৽͍͠APIϥΠϒϥϦͷڍಈΛ֬ೝ͢Δͱ͖ʹ • NSURLSessionࢼ͍ͨ͠ɼMantleࢼ͍ͨ͠ • ςετʹ͓ͯͯ͘͠͠ͱޙʑ͑Δ • OS ver͝ͱͷڍಈͷҧ͍Λݕূͨ͠Γ
• αʔόΛStubͱຊ൪ΛΓସ͑ͯ…ͳͲ
ܦݧஊ (ࣦഊஊ)
ςετ͕ಈ͔ͳ͘ͳͬͨ·· ์ஔ͍ͯͨ͠ • ςετ͕ಈ͔ͳ͘ͳ͍͕ͬͯͨ͞ͳ͔ͬͨ • CIͷςετ࣮ߦͷδϣϒεΫϦϓτͷ࣮ߦͷΈ Λআɼδϣϒͦͷ·· • ͦͷޙಈ͔ͳͨ͘͠ࣄ࣮ΛΕͯ͠·͍ɼςε τ͕࣮ߦ͞Ε͍ͯͳ͔ͬͨঢ়ଶͩͬͨ
• ਖ਼͘͠ಈ͘ςετΛҡ࣋͢Δ
ॻ͍͔ͨ͠௨Βͳ͍ςετ Λॻ͍͍ͯͨ • աڈ30ͷϩάͷΈ͢ɼͱ͍͏ػೳͷςετΛ ॻ͍͍ͯͨͱ͖ɼςετσʔλΛಛఆͷ͔Β 100Ճͨ͠ • ࣍ͷࢼ͢ͱςετ͕མͪΔΑ͏ʹͳ͍ͬͯͨ • ܧଓతʹςετΛ࣮ߦ͢Δඞཁੑ
ςετॻ͘ͷίετ • ಛʹෳࡶͳσʔλΛ࡞Δඞཁͷ͋Δςετॻ ͘ͷ͕ΊΜͲ͍͘͞ • Α͘Α͘ߟ͑Δͱɼςετॻ͔ͳ͍΄͏͕σόο ά͕ΊΜͲ͍͘͞ • ςετΛॻ͘ίετ <
खಈͰςετ͢Δίετ
ͦͷ΄͔ྑ͍ͱײ͡Δ͜ͱ • ΤϥʔέʔεΛ࡞Δͷ͕Χϯλϯ • ෳࡶͳཁ݅Λঃʑʹ࣮͍ͯ͘͠ͷ͕༰қ • ςετ࣮ߦ࣌ʹϒϨʔΫϙΠϯτΛઃఆͰ͖Δ
BDD
Driven Development
BDD • Behavior Driven Development • TDDͷςετΛΑΓཁٻ༷ʹ͍ۙܗͰදݱ • RSpecͱ͔Cucumberͱ͔ •
ࣗવݴޠͬΆ͕͋ͬͯ͞ΧϫΠΠ
BDD framework • Kiwi • https://github.com/allending/Kiwi • Specta • https://github.com/specta/specta
- (void)testHREClient { TRVSMonitor *monitor = TRVSMonitor.monitor; [_client getStations:@"৽॓" completionHandler:^(NSArray
*res, NSError *e) { XCTAssertNil(e, @":("); XCTAssertNotNil(res, @":("); [monitor signal]; }]; [monitor wait]; ! [_client getStations:@"ైԦொ" completionHandler:^(NSArray *res, NSError *e) { XCTAssertNotNil(e, @":("); XCTAssertNotNil(e.userInfo[@"error"], @":("); XCTAssertNil(res, @":("); [monitor signal]; }]; [monitor wait]; }
it(@“should found stations", ^{! TRVSMonitor *monitor = TRVSMonitor.monitor;! [client getStations:@"৽॓"!
completionHandler:^(NSArray *res, NSError *e) {! [[e should] beNil];! [[res should] beNonNil];! [monitor signal];! }];! [monitor wait];! });! it(@“should not found stations", ^{! TRVSMonitor *monitor = TRVSMonitor.monitor;! [client getStations:@"ైԦொ"! completionHandler:^(NSArray *res, NSError *e) {! [[e should] beNonNil];! [[e.userInfo[@"error"] should] beNonNil];! [[res should] beNil];! [monitor signal];! }];! [monitor wait];! });
it(@"should found stations", ^AsyncBlock {! [client getStations:@"৽॓"! completionHandler:^(NSArray *res, NSError
*e) {! expect(e).to.beNil();! expect(res).notTo.beNil();! done();! }];! });! it(@"should not found stations", ^AsyncBlock {! [client getStations:@"ైԦொ"! completionHandler:^(NSArray *res, NSError *e) {! expect(e).notTo.beNil();! expect(e.userInfo[@"error"]).notTo.beNil();! expect(res).to.beNil();! done();! }];! });
vs. XCTest/SenTestingKit • ͏ͷʹηοτΞοϓ͕ඞཁ • ͨͩ͠CocoaPodsͬͯΔ߹༨༟ • ϝιου୯ҐͰ࣮ߦͰ͖ͳ͍ • ѹతʹՄಡੑ͕ߴ͍
·ͱΊ • ίετΛߟྀͭͭ͠ແཧͤͣಋೖ͢ΔͱΑ͍ • ΔͳΒઈରʹCI·Ͱ(͘͠ܧଓతʹ࣮ߦ͠ ͍͢ڥΛ࡞Δ) • ҙࣝߴΊͯ1िؒ͘Β͍ͬͯΈͨΒʹ͔ͭ͘ Βɼ͡ΊΔͳΒҙࣝߴ·ͬͨࠓʂ
ࢀߟ • https://github.com/yashigani/HREClient • ӺใΛऔಘ͢Δ؆қͳΫϥΠΞϯτ • ࠓհͨ͠ςετΛஔ͍ͯ͋Γ·͢
͋Γ͕ͱ͏͍͟͝·ͨ͠